Merredin pollen forecast - today, tomorrow and the week ahead

Today (24 August) pollen in Merredin is low; eucalyptus is low. Tomorrow (25 August 2026) levels are similar. Over the following five days eucalyptus will decrease. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Merredin sits deep in the WA wheatbelt on drier, more marginal country than towns further west, where salmon gum and gimlet woodland remnants persist among extensive wheat and canola cropping. Saltbush and other salt-tolerant shrubs colonise land affected by dryland salinity, a significant local land-management issue. Wattle flowers on woodland edges in late winter. The heavily cleared, crop-dominated landscape gives Merredin's pollen calendar a strong canola and cereal-crop signature each spring.

Today - 24 August

  • Acacia (Acacia):

    None

    0/100

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Eucalyptus (Myrtaceae):

    Low

    2/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.

Tomorrow - 25 August

  • Acacia (Acacia):

    None

    0/100

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Eucalyptus (Myrtaceae):

    Low

    14/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

Air quality in Merredin

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Frequently Asked Questions

Is pollen high in Merredin right now?

On 24 August 2026, overall pollen levels in Merredin are low. Myrtle is the main contributor to airborne pollen

Will pollen levels change in Merredin tomorrow?

On 25 August 2026, pollen conditions in Merredin will be similar to today, with myrtle at low levels

Is pollen expected to decrease in Merredin this week?

According to the five-day outlook, myrtle pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.

Which pollen types are currently active in Merredin?

On 24 August 2026, Myrtle is the dominant pollen source in Merredin. acacia, cypress, and grass are not currently active.

When is pollen season in Merredin?
Merredin, in the drier eastern wheatbelt, sits closer to the arid pattern than the coastal Mediterranean towns further west: a shorter, more rainfall-dependent pollen season centred on spring. Wattle flowers from August, and grass pollen from surrounding wheat and grazing land builds through September, but with less reliable rainfall than closer to Perth, the season here can be patchier, with counts hinging on how much spring rain the wheatbelt receives.
How often is the Merredin pollen forecast updated?

The Merredin pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Merredin come from nearby or far away?

Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.

Are pollen levels in Merredin based on measurements or forecasts?

Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.

Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Merredin, modern forecasts combine recent measurements, weather data, and information about local vegetation.

This allows us to estimate pollen levels for today and the coming days, not just report the past.

Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.

Want to see pollen forecasts for other cities in Australia?

Brisbane Forster Melton Toowoomba Ulladulla Young

Check pollen in other popular cities:

Melton Rio de Janeiro Copenhagen Athens Denpasar Rome Cape Town Barcelona London Los Angeles New York

Data provided by Airmine — Last update: 24 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Merredin.

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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.

Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.

Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.